Finding the Fourth Proportional to 10,914.63, 16,372.15 and 4,251.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,914.63 : 16,372.15 = 4,251.57 : x
2. Step 2: Convert to fraction form
   10,914.63/16,372.15 = 4,251.57/x
3. Step 3: Cross multiply
   10,914.63x = 16,372.15 × 4,251.57
4. Step 4: Simplify right side
   10,914.63x = 69,607,341.78
5. Step 5: Solve for x
   x = 69,607,341.78/10,914.63
6. Step 6: Final answer
   x = 6,377.43